Product Data
TYPICAL VALUES
(% RETAINED ON SIEVE)
50
OK-75
PERCENT
40
WHOLE GRAIN SILICA
30
20
10
PLANT: MILL CREEK, OKLAHOMA
0
30
40
50
70
100
140
200
270
PAN
U.S. SIEVE ANALYSIS
TYPICAL VALUES
US STD SIEVE SIZE
% RETAINED
MESH
MILLIMETERS
30
40
50
70
100
140
200
270
Pan
0.600
0.425
0.300
0.212
0.150
0.106
0.075
0.053
INDIVIDUAL
0
1
4
14
45
28
7
1
0
TYPICAL PHYSICAL PROPERTIES
AFS(1) Acid Demand (@pH 7)
AFS(1) Grain Fineness
Color
Grain Shape
Hardness (Mohs)
Melting Point (Degrees F)
Mineral
Moisture Content (%)
pH
Specific Gravity
% PASSING
CUMULATIVE
0
1
5
19
64
92
99
100
CUMULATIVE
100
99
95
81
36
8
1
0
TYPICAL CHEMICAL ANALYSIS, %
<1.0
80
White
Round
7
3100
Quartz
<0.25
6.9
2.65
SiO2 (Silicon Dioxide)(2)
Fe2O3 (Iron Oxide)
Al2O3 (Aluminum Oxide)
TiO2 (Titanium Dioxide)
CaO (Calcium Oxide)
MgO (Magnesium Oxide)
Na2O (Sodium Oxide)
K2O (Potassium Oxide)
LOI (Loss On Ignition)
99.8
0.018
0.08
<0.01
<0.01
<0.01
<0.01
0.04
0.1
December 6, 2013
(1) American Foundrymen’s Society
(2) SiO2 Calculated by Difference of Reported Oxides and LOI
U.S. Silica Company
8490 Progress Drive, Suite 300
Frederick, MD 21701
(301) 682-0600 (phone)
(800) 243-7500 (toll-free)
ussilica.com
DISCLAIMER: The information set forth in this Product Data Sheet represents typical properties of the product
described; the information and the typical values are not specifications. U.S. Silica Company makes no
representation or warranty concerning the Products, expressed or implied, by this Product Data Sheet.
WARNING: The product contains crystalline silica – quartz, which can cause silicosis (an occupational lung
disease) and lung cancer. For detailed information on the potential health effect of crystalline silica - quartz, see
the U.S. Silica Company Material Safety Data Sheet.